JiggityWeenis@lemmy.world to

Ask Science@lemmy.worldEnglish · 1 year ago

Does physics ever get vague?

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Does physics ever get vague?

JiggityWeenis@lemmy.world to

Ask Science@lemmy.worldEnglish · 1 year ago

As in, are there some parts of physics that aren’t as clear-cut as they usually are? If so, what are they?

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Wilzax@lemmy.world
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1 year ago
https://youtu.be/XBr4GkRnY04 this old video from Veritasium explains the concept of the hubble sphere and the particle horizon, both of which are further than 13.8.Billion lightyears away

https://youtu.be/eVoh27gJgME this newer video from PBS Spacetime goes into much further detail about how they’re calculated

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